Filter unit
DC
First Claim
Patent Images
1. The ornamental design for a filter unit, as shown and described.
1 Assignment
Litigations
0 Petitions
Accused Products
3 Citations
1 Claim
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1. The ornamental design for a filter unit, as shown and described.
Specification
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Litigation Data
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Current AssigneeQingdao Ecopure Filter Co., Ltd.
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Original AssigneeQingdao Ecopure Filter Co., Ltd.
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InventorsZou, Zhibin
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Primary Examiner(s)Webster, Robin V
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Application NumberUS29/625,493Time in Patent Office516 DaysField of SearchD23200, D23207, D23209, 21049701US Class CurrentCPC Class CodesN/A
